$ docker run --rm --name validator-giflib-usage-giflib-tools-giftext-treescap-background-42799 -t --mount type=bind,src=/tmp/validator-status-giflib-usage-giflib-tools-giftext-treescap-background,dst=/validator/status --mount type=bind,src=/home/runner/work/validator/validator/.work/pages-artifacts/debs/port/giflib,dst=/override-debs,readonly validator-giflib-shared bash -lc 'set -euo pipefail
/validator/tests/_shared/install_override_debs.sh
exec /validator/tests/_shared/run_library_tests.sh "$@"' validator-testcase giflib usage-giflib-tools-giftext-treescap-background -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/giflib/tests/cases/usage/usage-giflib-tools-giftext-treescap-background.sh
installing override packages from /override-debs
(Reading database ... (Reading database ... 5%(Reading database ... 10%(Reading database ... 15%(Reading database ... 20%(Reading database ... 25%(Reading database ... 30%(Reading database ... 35%(Reading database ... 40%(Reading database ... 45%(Reading database ... 50%(Reading database ... 55%(Reading database ... 60%(Reading database ... 65%(Reading database ... 70%(Reading database ... 75%(Reading database ... 80%(Reading database ... 85%(Reading database ... 90%(Reading database ... 95%(Reading database ... 100%(Reading database ... 12292 files and directories currently installed.)
Preparing to unpack .../libgif-dev_5.2.2-1ubuntu1+safelibs1778011697_amd64.deb ...
Unpacking libgif-dev:amd64 (5.2.2-1ubuntu1+safelibs1778011697) over (5.2.2-1ubuntu1) ...
Preparing to unpack .../libgif7_5.2.2-1ubuntu1+safelibs1778011697_amd64.deb ...
Unpacking libgif7:amd64 (5.2.2-1ubuntu1+safelibs1778011697) over (5.2.2-1ubuntu1) ...
Setting up libgif7:amd64 (5.2.2-1ubuntu1+safelibs1778011697) ...
Setting up libgif-dev:amd64 (5.2.2-1ubuntu1+safelibs1778011697) ...
Processing triggers for libc-bin (2.39-0ubuntu8.7) ...

/validator/tests/giflib/tests/fixtures/samples/pic/treescap.gif:

	Screen Size - Width = 40, Height = 40.
	ColorResolution = 7, BitsPerPixel = 4, BackGround = 0, Aspect = 0.
	Has Global Color Map.


Image #1:

	Image Size - Left = 0, Top = 0, Width = 40, Height = 40.
	Image is Non Interlaced.
	No Image Color Map.

GIF file terminated normally.